000 00564cab a2200193 4500
001 WB2633-11
008 090401t1990 xxu||||| |||| 00| 0 eng d
035 _a(Sirsi) u46021
041 _aeng
245 _aHelliwell system
260 _c1990
350 _a0
490 _aPlanning (for the Natural and Built Environment)
_vno 882, 17/8/90 p33
520 _aConsiders the application of the Helliwell system , a method of assessing the amenity value of a tree .
650 _aTREE PRESERVATION ORDER
690 _aCON
942 _n0
948 _c04/03/1997
999 _c29116
_d29116